<div class="hero-unit">
    <h3>课表查询</h3>
    <form id="back_form_plane" action="<?=$base?>admin/student/course_timetable_result" method="post" onsubmit="return back_plane();">
        <label for="semester">学期：</label>
        <select id="semester" name="semester">
            <option value=''></option>
            <option value="1">大一上学期</option>
            <option value="2">大一下学期</option>
            <option value="3">大二上学期</option>
            <option value="4">大二下学期</option>
            <option value="5">大三上学期</option>
            <option value="6">大三下学期</option>
            <option value="7">大四上学期</option>
            <option value="8">大四下学期</option>
        </select>&emsp;<input type="submit" class="btn btn-primary" value="查询" />
    </form>
    <div class="row-fluid" id="search_result">
    </div>
</div>